Correct

一根筋

/ yī gēn jīn /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/一根筋-Chinese-idioms-Cchatty-00450d56-34a5-489f-909e-eee0a0ac49fe-1612776104.jpg

Collocation

1
一根筋的人
2
不能一根筋
3
某人是一根筋

Definition

一根筋:

Literally means:

a tendon

Actually means:

one-track mind not flexible

It refers to obstinacy or slow wit. It carries a sense of disapproval. Derogatory.

形容固执或脑筋不灵活。带有指责的含义。具有贬义色彩。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
zhè
rén
gēnjīn
根筋
  
,
lǎowán
老顽固
  
,
tīng
jìn
biéren
别人
de
huà
tīng
jìn
biéren
别人
de
huà
  

He's a man with a hamstring, old stubborn, can't listen to other people's words can't listen to other people's words.

2
Háizi
孩子
ā
  
,
zuò
shìqíng
事情
néng
gēnjīn
根筋
  
,
yào
duō
dòngnǎojīn
动脑筋
  
,
duō
xiǎng
bàn
办法
cái
néng
shìqing
事情
zuòhǎo
做好
  

Children, do things can not be a hamstring, to move more brains, more ways to do things well.

3
Qīngqīng
青青
shì
gēnjīn
根筋
de
hái
女孩
  
,
rénguānxi
人际关系
xiǎng
de
tài
jiǎndān
简单
  
,
zǒng
rènwéi
认为
zhēnxīn
真心
duìdài
对待
biéren
别人
  
,
biéren
别人
huì
zhēnxīn
真心
duìdài
对待
  

Qingqing is a hamstring girl, the relationship is too simple, always think that she really treat others, others will really treat her.